INTER AND INTRA MOLECULAR FORCES

Which of the following molecules has hydrogen bonding?

• HCl
• HI
• HF
• HBr

Which of the following molecules contains only London dispersion forces?

• CF₄
• HCl
• H₂O
• MgO_(aq)

Which of the following molecules predominantly consists of dipole-dipole forces?

• HF
• Ne
• O₂
• ICl

Which of the following molecules would have the lowest boiling point?

• CH₄
• C₂H₆
• C₃H₈
• C₄H₁₀

What information do we look for on the periodic table if we  want to examine intermolecular forces?

• atomic mass
• atomic number
• electronegativity
• ionization 

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F.  Which of the following has hydrogen bonding?

• CBr₄
• NO₂
• H₂S
• NH₃

Does H₂O have hydrogen bonding?

• yes
• no

Does H₂O have hydrogen bonding?

• yes
• no

What explains the very high melting and boiling point of water

• Strong dipole-dipole bonds between water molecules
• Strong hydrogen bonds between water molecules
• Dispersion forces which are present in all molecules
• Asymmetrical shape of the polar bonds.

Does CH₄ have hydrogen bonding?

• yes
• no